Methyl Methanesulfonate

CAS Number

66-27-3

Synonym

Methanesulfonic acid methyl ester; MMS; Methyl mesylate; Methylmethane sulfonate; Methyl methanesulfonic acid; Methylmethanesulphonate; Methyl methansulfonate

Occurrence/Use

Research chemical (induces cancer, alkylating agent), possible use as reversible and mammalian chemosterilant

Methyl Methanesulfonate

Cancer Potency Information

Latest Criteria: Proposition 65 NSRLs/MADLs
Inhalation Unit Risk (μg/cubic meter)-1: 2.8 E-5
Inhalation Slope Factor (mg/kg-day)-1: 9.9 E-2
Oral Slope Factor (mg/kg-day)-1: 9.9 E-2
Comments/References:

OEHHA 1992. Expedited Cancer Potency Values and Proposed Regulatory Levels for Certain Proposition 65 Carcinogens.

Proposition 65

Chemical Status

Cancer: Currently listed

Cancer

Cancer - Listing Mechanism
State's Qualified Experts
Listed as causing : Listed as causing: Cancer
Date of Listing:

Safe Harbor Levels

No Significant Risk Level (NSRL)
7 µg/day
Cancer
Last NSRL/MADL Revision: 1992

Documents, Presentations, and Publications

Cancer: